The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 30, 2019

Filed:

Apr. 01, 2015
Applicant:

Korea Advanced Institute of Science and Technology, Daejeon, KR;

Inventors:

Doo Yong Lee, Daejeon, KR;

Hye Hyun Han, Daejeon, KR;

Yun Jin Gu, Daejeon, KR;

Seung Gyu Kang, Daejeon, KR;

Myeong Jin Kim, Daejeon, KR;

Cheong Jun Kim, Daejeon, KR;

Seong Pil Byeon, Daejeon, KR;

Young Gi Jung, Daejeon, KR;

Su Bon Kim, Daejeon, KR;

Hyun Seok Lee, Daejeon, KR;

Dong Myoung Lee, Daejeon, KR;

Su Hwan Park, Daejeon, KR;

Ji Hye Hwang, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 31/00 (2006.01); A61M 37/00 (2006.01); A61M 25/00 (2006.01); A61M 25/01 (2006.01); A61M 25/06 (2006.01); A61M 25/09 (2006.01);
U.S. Cl.
CPC ...
A61M 25/0084 (2013.01); A61M 25/0054 (2013.01); A61M 25/0075 (2013.01); A61M 25/0105 (2013.01); A61M 25/0138 (2013.01); A61M 25/0155 (2013.01); A61M 25/0612 (2013.01); A61M 25/0074 (2013.01); A61M 25/0905 (2013.01); A61M 2025/0018 (2013.01);
Abstract

The present invention relates to a direction-controllable drug injection catheter. According to the present invention, provided is the catheter extending along a central axis 'A' including a drug injection part in which a drug injection channel has been formed; a channel opening and closing means which opens and closes the drug injection channel; and a steering structure which is rotationally asymmetric with respect to the central axis 'A' and varies according to a pressure change of the drug injection channel for the purpose of steering.


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